SEALING DEVICE FOR CONTAINER Russian patent published in 2013 - IPC B65D81/32 B65D51/28 B65D25/08 

FIELD: packaging.

SUBSTANCE: present invention relates to the field of packaging elements designed for tight sealing containers with food and non-food products, medicines, in particular for the product to which it is necessary to add an additional component immediately before use. A sealing device for a container is made on the basis of polyethylene and contains a cover which housing has an internal thread for screwing on the outside thread of the neck of the container, a button, a protective tear strip with the end to tear and the perforation, and a sealed capsule with the additive. The cover housing a hollow sleeve is placed, containing on the outer side, along the length of the circumference, a protrusion providing the container tightness after screwing on the neck, and the hollow sleeve at the open side in its upper part comprises a lock to connect to the button, and at the lower part - a hole for fastening on the bottom of the capsule made with peripheral shoulders. The capsule is formed by at least two walls, one of which from the side of the button is made deformable and non-destructible, and the other is made destructible due to the action of a button convex element on the capsule, and in the gap between the hollow sleeve and the button the sealing elements are placed providing tightness of the connection.

EFFECT: sealing device according to the invention provides a reliable sealing and ease of its activation, as well as sealing the inner space of the container.

7 cl, 2 dwg